Merge branch 'tr/send-email-ssl'

[git.git] / builtin-reset.c

diff --git a/builtin-reset.c b/builtin-reset.c
index bb3e19240a8921126600cddd70ac46b3b1bada29..a0321694c5c3d5798d28f8fe14493652e0dd0054 100644 (file)
--- a/builtin-reset.c
+++ b/builtin-reset.c
@@ -17,9 +17,13 @@
 #include "diffcore.h"
 #include "tree.h"
 #include "branch.h"
+#include "parse-options.h"
 
-static const char builtin_reset_usage[] =
-"git-reset [--mixed | --soft | --hard] [-q] [<commit-ish>] [ [--] <paths>...]";
+static const char * const git_reset_usage[] = {
+       "git-reset [--mixed | --soft | --hard] [-q] [<commit>]",
+       "git-reset [--mixed] <commit> [--] <paths>...",
+       NULL
+};
 
 static char *args_to_str(const char **argv)
 {
@@ -45,13 +49,14 @@ static inline int is_merge(void)
        return !access(git_path("MERGE_HEAD"), F_OK);
 }
 
-static int reset_index_file(const unsigned char *sha1, int is_hard_reset)
+static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int quiet)
 {
        int i = 0;
        const char *args[6];
 
        args[i++] = "read-tree";
-       args[i++] = "-v";
+       if (!quiet)
+               args[i++] = "-v";
        args[i++] = "--reset";
        if (is_hard_reset)
                args[i++] = "-u";
@@ -165,42 +170,65 @@ static const char *reset_type_names[] = { "mixed", "soft", "hard", NULL };
 
 int cmd_reset(int argc, const char **argv, const char *prefix)
 {
-       int i = 1, reset_type = NONE, update_ref_status = 0, quiet = 0;
+       int i = 0, reset_type = NONE, update_ref_status = 0, quiet = 0;
        const char *rev = "HEAD";
        unsigned char sha1[20], *orig = NULL, sha1_orig[20],
                                *old_orig = NULL, sha1_old_orig[20];
        struct commit *commit;
        char *reflog_action, msg[1024];
-
-       git_config(git_default_config);
-
+       const struct option options[] = {
+               OPT_SET_INT(0, "mixed", &reset_type,
+                                               "reset HEAD and index", MIXED),
+               OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT),
+               OPT_SET_INT(0, "hard", &reset_type,
+                               "reset HEAD, index and working tree", HARD),
+               OPT_BOOLEAN('q', NULL, &quiet,
+                               "disable showing new HEAD in hard reset and progress message"),
+               OPT_END()
+       };
+
+       git_config(git_default_config, NULL);
+
+       argc = parse_options(argc, argv, options, git_reset_usage,
+                                               PARSE_OPT_KEEP_DASHDASH);
        reflog_action = args_to_str(argv);
        setenv("GIT_REFLOG_ACTION", reflog_action, 0);
 
-       while (i < argc) {
-               if (!strcmp(argv[i], "--mixed")) {
-                       reset_type = MIXED;
-                       i++;
-               }
-               else if (!strcmp(argv[i], "--soft")) {
-                       reset_type = SOFT;
-                       i++;
-               }
-               else if (!strcmp(argv[i], "--hard")) {
-                       reset_type = HARD;
-                       i++;
+       /*
+        * Possible arguments are:
+        *
+        * git reset [-opts] <rev> <paths>...
+        * git reset [-opts] <rev> -- <paths>...
+        * git reset [-opts] -- <paths>...
+        * git reset [-opts] <paths>...
+        *
+        * At this point, argv[i] points immediately after [-opts].
+        */
+
+       if (i < argc) {
+               if (!strcmp(argv[i], "--")) {
+                       i++; /* reset to HEAD, possibly with paths */
+               } else if (i + 1 < argc && !strcmp(argv[i+1], "--")) {
+                       rev = argv[i];
+                       i += 2;
                }
-               else if (!strcmp(argv[i], "-q")) {
-                       quiet = 1;
-                       i++;
+               /*
+                * Otherwise, argv[i] could be either <rev> or <paths> and
+                * has to be unambigous.
+                */
+               else if (!get_sha1(argv[i], sha1)) {
+                       /*
+                        * Ok, argv[i] looks like a rev; it should not
+                        * be a filename.
+                        */
+                       verify_non_filename(prefix, argv[i]);
+                       rev = argv[i++];
+               } else {
+                       /* Otherwise we treat this as a filename */
+                       verify_filename(prefix, argv[i]);
                }
-               else
-                       break;
        }
 
-       if (i < argc && argv[i][0] != '-')
-               rev = argv[i++];
-
        if (get_sha1(rev, sha1))
                die("Failed to resolve '%s' as a valid ref.", rev);
 
@@ -209,11 +237,6 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                die("Could not parse object '%s'.", rev);
        hashcpy(sha1, commit->object.sha1);
 
-       if (i < argc && !strcmp(argv[i], "--"))
-               i++;
-       else if (i < argc && argv[i][0] == '-')
-               usage(builtin_reset_usage);
-
        /* git reset tree [--] paths... can be used to
         * load chosen paths from the tree into the index without
         * affecting the working tree nor HEAD. */
@@ -238,7 +261,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                if (is_merge() || read_cache() < 0 || unmerged_cache())
                        die("Cannot do a soft reset in the middle of a merge.");
        }
-       else if (reset_index_file(sha1, (reset_type == HARD)))
+       else if (reset_index_file(sha1, (reset_type == HARD), quiet))
                die("Could not reset index file to revision '%s'.", rev);
 
        /* Any resets update HEAD to the head being switched to,